Home / 3,890.76-5,837.58-2,331.87

Finding the Fourth Proportional to 3,890.76, 5,837.58 and 2,331.87

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Solution

The fourth proportional to 3,890.76, 5,837.58 and 2,331.87 is: 3,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.76 : 5,837.58 = 2,331.87 : x
  2. Step 2: Convert to fraction form
    3,890.76/5,837.58 = 2,331.87/x
  3. Step 3: Cross multiply
    3,890.76x = 5,837.58 × 2,331.87
  4. Step 4: Simplify right side
    3,890.76x = 13,612,477.67
  5. Step 5: Solve for x
    x = 13,612,477.67/3,890.76
  6. Step 6: Final answer
    x = 3,498.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.